Note 10 - Income Taxes - Pretax Loss Resulting from Domestic and Foreign Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Domestic	$ (31,398)	$ (17,081)	$ (23,583)
Foreign	12,784	(16,569)	(9,205)
Loss before income taxes	$ (18,614)	$ (33,650)	$ (32,788)